You can catch the panel Saturday, October 13 from 2:45-3:45pm in Room 1A14 at the Javits Center in New York. There will also be a panel from UDON on Friday, October 12 from 7:45-8:45pm in Room 1A06. The UDON panel will be giving a scoop on a future collaboration between Blizzard and UDON, a Blizzard-themed tribute art book and contest. And if you're looking to get your copy of Pearl of Pandaria signed by the author and artist, you can find Micky Neilson and Sean "Cheeks" Galloway at the IDC Booth, #1238, on Friday from 12-1pm.
Blizzard will also have a presence at a ton of booths around the convention center, everything from Mega Bloks to comics and publishing. For the full list of scheduled events and booths, head the official website.